package com.main.common.utils.QueryWrapper;

public class SqlConstants {

    // 等于
    public static final String EQ = "=";

    // 不等于
    public static final String NE = "<>";

    // 大于
    public static final String GT = ">";

    // 大于等于
    public static final String GE = ">=";

    // 小于
    public static final String LT = "<";

    // 小于等于
    public static final String LE = "<=";

    // 模糊匹配
    public static final String LIKE = "LIKE";

    // 或者
    public static final String OR = "OR";

    // 并且
    public static final String AND = "AND";

    // 字符串连接符（用于拼接SQL片段）
    public static final String CONCAT = "CONCAT";

    // 包含
    public static final String IN = "IN";

    // 不包含
    public static final String NOT_IN = "NOT IN";

    // 开始以
    public static final String START_WITH = "START WITH";

    // 不开始以
    public static final String NOT_START_WITH = "NOT START WITH";

    // 结束以
    public static final String END_WITH = "END WITH";

    // 不结束以
    public static final String NOT_END_WITH = "NOT END WITH";

    // 为 null
    public static final String IS_NULL = "IS NULL";

    // 不为 null
    public static final String IS_NOT_NULL = "IS NOT NULL";

    // 为空
    public static final String IS_EMPTY = "IS EMPTY";

    // 不为空
    public static final String IS_NOT_EMPTY = "IS NOT EMPTY";

    // 介于
    public static final String BETWEEN_AND = "BETWEEN AND";

    // 不介于
    public static final String NOT_BETWEEN_AND = "NOT BETWEEN AND";


}